Finding the Fourth Proportional to 6,234,655.11, 8,609,765.85 and 5,894,994.12
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Solution
The fourth proportional to 6,234,655.11, 8,609,765.85 and 5,894,994.12 is: 8,140,709.98
Step by Step Solution
- Step 1: Write the proportion equation
6,234,655.11 : 8,609,765.85 = 5,894,994.12 : x - Step 2: Convert to fraction form
6,234,655.11/8,609,765.85 = 5,894,994.12/x - Step 3: Cross multiply
6,234,655.11x = 8,609,765.85 × 5,894,994.12 - Step 4: Simplify right side
6,234,655.11x = 50,754,519,060,326.80 - Step 5: Solve for x
x = 50,754,519,060,326.80/6,234,655.11 - Step 6: Final answer
x = 8,140,709.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.